blocker

plural blockers

1. Agent noun of block (“obstruct or prevent”); something that blocks something else.
   1. hobbiesOne who blocks or impedes the movement of an opponent.
   2. ball gamesA defensive or low-scoring batter.
   3. computingOne who prevents another user from contacting them electronically.

      Likewise, any connections shared between your child (the blocker) and the user being blocked will also be broken.

      2013, Elizabeth Laugeson, The Science of Making Friends

   4. computingAn application or feature that stops or impedes something.

      an ad blocker

      1 more example

      a content blocker

   5. computingA bug or issue that prevents software from being released.

      Synonyms: showstopper

   6. businessA gatekeeper who refuses the marketer access to the person they wish to contact.

      Sometimes your sales progress skids to a halt. We've all met more blockers than we'd care to. Some are assigned by the company to filter services […]

      1992, Joan Guiducci, Joan Guiducci's power calling, page 49

   7. biologyAny of various medications that block (inhibit) the activity of a chemical messenger or its receptors, such as cardiac conduction modifiers (e.g., alpha-blockers, beta-blockers), gastric acid inhibitors (H₂ histamine blockers), puberty blockers, and others.

      Blockers can optimize the development of preferred physical characteristics. In trans girls, blockers initiated prior to the development of male secondary sex characteristics will effectively prevent voice deepening, skeletal enlargement, and penile enlargement.

      2014, Laura Erickson-Schroth, Trans Bodies, Trans Selves: A Resource for the Transgender Community, Oxford University Press, →ISBN, page 443

      Synonyms: antagonist, antagonist, receptor antagonist

   8. A close-fitting rectangular glove worn by a goalie in multiple forms of hockey.
   9. card gamesA blocker bet.
   10. card gamesA playing card, needed by one player, that is held by another.
2. A person who roughly shapes a diamond.
3. A person who blocks (stretches or moulds) or more generally makes knitted items, hats, books (or book covers), shoes, etc.

   Because in 1937 Benjamin is still an apprentice, he remains bound to the Eastern Finland Hat Factory. […] Benjamin now does much of the same work as the master cutters and blockers and enjoys their grudging approval of his skills.

   2019, John B. Simon, Strangers in a Stranger Land, page 218

4. in compoundsA resident or member of a particular block.

   For some inexplicable reason, remote controls are allowed only on D block (the drug-free block). Result? D blockers trade their remotes for drugs. Prison logic.

   2003, Jeffrey Archer, A Prison Diary Volume II: Purgatory

plural blockers

1. AustraliaUKobsoleteslangSynonym of block ornament (“a cheap piece of meat of poor quality”).First known use 1848

   Forced to substitute a ‘blocker’ of meat, with its cheap accompaniment of bread and vegetables..for poultry and rump-steaks.

   1848 April 28, Fraser's Magazine, volume 396, number 2

   Synonyms: block ornament

plural Blockers

1. A surname.